Monthly Archives: November 2017

The TL494C is a pulse width modulation control circuit, designed for power supply control, from the small power board on a clamshell iBook from 2000. I have read the datasheet a few times and find it a quite complicated device. … Continue reading →

Do you remember the clamshell iBook from around 2000? In my opinion it was one of Apples best ever products. Rugged and one of the first laptops with mass user appeal. I used one for several years, it was a … Continue reading →

Important Disclaimer: Chip decapsulation involves using hot concentrated acids. It should only be done by persons experienced at working with acids safely. This article is for entertainment/education please do not try this at home. I have had readers ask to show … Continue reading →

Not vintage, but LED light teardowns seem to be popular. This one is a submersible LED light for use in your bath, hot tub, vase. It is available on eBay for ridiculously low prices eg. $3.39 with free shipping I … Continue reading →